16748221

素因数分解:

$7^1\times {\mathrm{61}}^2\times {\mathrm{643}}^1$

素因数の和:772

約数の個数: 12

約数和(自身を含む): 19490016

約数和(自身を除く): 2741795

約数列:

[1, 7, 61, 427, 643, 3721, 4501, 26047, 39223, 274561, 2392603, 16748221]

約数ペア:

[(1, 16748221), (7, 2392603), (61, 274561), (427, 39223), (643, 26047), (3721, 4501)]